come hell or high water Antonyms

could happen according to the circumstances not for love or money not for all the tea in china definitely not certainly not in a pig's eye in no case absolutely not could be as the case may require as the case might be can happen may happen i wouldn't bet on it at no point we shall see it all depends as the situation requires as the circumstances require as the circumstance arises mayhaps if possible hopefully nowise noways noway nevermore never ne'er mayhap maybe haply percase perchance feasibly conceivably by no manner of means at no time as the case may be when Hell freezes over in all likelihood pro re nata probably assumably